Apache Dynamic Modules
Apache Modules are code segments that are written to comply with the Apache API specification and can be loaded
into the Apache Web Server. Apache modules can be loaded in the following ways:
- Statically loaded in the compiled httpd daemon
- Dynamically loaded in the Web server configuration file
This modular design for adding Web server features gives Web administrators and developers tremendous power and
flexibility. A wide variety of Apache modules have been created supporting all kinds of exciting Web server
features. Web server speed and efficiency is improved when using Apache modules since your Web server can
internally process instruction sets rather than relying on external applications.
Dynamic module support is one of the key features of the Apache Web Server. The ability to dynamically load
modules is known as DSO support. DSO allows you to extend the features and capabilities of Apache by adding
the specific module you need, when you need it, without recompiling the Web server binary.
If you try to load all the modules at the same time you will probably get a resource error. Simply load the
modules you need one at a time.
A few notable apache modules you may want to use include the following.
- mod_perl
- mod_php
- mod_dav
- mod_gzip
- mod_negotiation
- mod_ruby
- mod_python
- mod_gzip
- mod_fastcgi
- mod_auth_mysql
- mod_auth_postgresql
There are a number of pre-compiled Apache modules for your use. You can load any of these modules in your
Apache configuration file by removing the comment for the appropriate line in your httpd.conf file and
running restart_apache.
- #LoadModule mmap_static_module libexec/mod_mmap_static.so
- #LoadModule vhost_alias_module libexec/mod_vhost_alias.so
- #LoadModule mime_magic_module libexec/mod_mime_magic.so
- #LoadModule negotiation_module libexec/mod_negotiation.so
- #LoadModule status_module libexec/mod_status.so
- #LoadModule info_modulelibexec/mod_info.so
- #LoadModule asis_modulelibexec/mod_asis.so
- #LoadModule speling_module libexec/mod_speling.so
- #LoadModule rewrite_module libexec/mod_rewrite.so
- #LoadModule anon_auth_module libexec/mod_auth_anon.so
- #LoadModule db_auth_module libexec/mod_auth_db.so
- #LoadModule digest_module libexec/mod_digest.so
- #LoadModule proxy_module libexec/libproxy.so
- #LoadModule cern_meta_module libexec/mod_cern_meta.so
- #LoadModule expires_module libexec/mod_expires.so
- #LoadModule headers_module libexec/mod_headers.so
- #LoadModule usertrack_module libexec/mod_usertrack.so
- #LoadModule perl_modulelibexec/mod_perl.so
- #LoadModule gzip_modulelibexec/mod_gzip.so
- #LoadModule dav_module libexec/mod_dav.so
- #LoadModule fastcgi_module libexec/mod_fastcgi.so
- #LoadModule auth_mysql_module libexec/mod_auth_mysql.so
- #LoadModule auth_pgsql_module libexec/mod_auth_pgsql.so
- #LoadModule php4_modulelibexec/mod_php4.so
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